Joint for structural materials



FIG. 1 is a front, top, right-side perspective view of the joint for structural materials;

FIG. 2 is a rear, bottom, left-side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right-side elevational view thereof, the left-side elevational view thereof (not provided) being a mirror image thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines depict unclaimed portions of the joint, and thus form no part of the claimed design. 

CLAIM The ornamental design for a joint for structural materials, as shown and described. 